1688.com (like other zappers which only have 1 net, such as The Executioner): https://www.amazon.co.uk/Sourcing4U-Executioner-Mosquito-Swatter-Zapper/dp/B003TT3GDC/ref=sr_1_5?dchild=1&keywords=Swatter%2BRacket&qid=1598048997&s=outdoors&sr=1-5&th=1), Answer Reply Electric Fly Swatter Circuit In the schematic, the grid is charged to 1800V by the voltage multiplier built around diodes D1 through D6 and capacitors C1 through C6. making sparks. If you have the ability, or a friend who does, methodically check the circuit from beginning to end. The circuit is composed of an electronic oscillator, a step-up transformer and a voltage multiplier,[17] similar to the circuit in an electroshock weapon or stun gun, but with much lower power. Update: (September 15, 2009) The fly swatter shown in these pictures became weak in its output and then stopped working altogether. I am not responsible for any form of harm done to yourself or others.
| Keep away from children and pets. I believe my friend's new swatter failed when tested at the factory. [13][11] In addition, the continuous breeze produced by a common electric fan has been found to discourage mosquitos from landing and biting, even without trapping or killing the insects.[14]. These are very common and available at Radio Shack on a blister pack. I like diy solutions, mainly in the field of plants and electronics (especially LEDs). One of the resistors limits the current to the LED. the circuit explaining how it works. Franklin's bell The handle contains a battery-powered high-voltage generator. Input stated is 3 to 6 V, but I did also try two lithium cells in series (ranges from 6 to 8.4V) in it, resulting in a much higher discharge frequency. Flypaper is often impregnated with a slightly odorous chemical to attract more flies. - [11] Some variant designs use carbon dioxide, ultraviolet light, or chemical scent to attract insects to the trap. This is to have visual indicator that the device is turned ON to protect the user from being electrocuted when zapping flies. document.getElementById('footer_copyright').appendChild(document.createTextNode("Copyright \u00a9 "+new Date().getFullYear()+ " by AspenCore, Inc. All Rights Reserved. So I soldered the red wire to the positive terminal of the battery, the green wire to one of the terminals of the switch and an extra wire (taken from the original circuitry) from the negative battery terminal to the other switch terminal. fly swatter opened up. The electric fly swatter also features a zapper at the end of the racket to help make swatting insects easy.
The following video shows it in action powering a Franklin's bell and I guessed these circuits use a low voltage NPN switching transistor, like a 2N2222. Mounted on the projectile is a perforated circular disk, which, according to advertising copy, "won't splat the fly". Fast same day shipping – 2-3 day delivery . the output wires of high voltage generator does not have + or - are the same?? For the Eels song, see, "JOHN L. BENNETT, BEER CAN PIONEER; Inventor Dies--Also Made a Better Fly Swatter", "The Invention of the Fly Swatter - Screening for Health: Insects & Disease Prevention", "In Latest Bid to Lord Over Flies, One Man Tries Salting Them Away - WSJ.com", "Mosquito Racket zappers shock bugs with a wave of your hand", "Lightweight Rechargeable Bug Zapper with Detachable Power Cord", https://en.wikipedia.org/w/index.php?title=Fly-killing_device&oldid=975903518, Articles with unsourced statements from March 2013, Articles with unsourced statements from June 2009, Articles with unsourced statements from January 2011, Creative Commons Attribution-ShareAlike License, A limit on the charge stored in the capacitor: A discharge of less than 45, A limit on the current after the initial discharge: The maximal continuous current of most flyswatters is less than 5, This page was last edited on 31 August 2020, at 02:00. A flyswatter (or fly-swat, fly swatter[1]) usually consists of a small rectangular or round sheet of some 10 cm (4 in) across of lightweight, flexible, vented material (usually thin metallic, rubber, or plastic mesh), attached to a lightweight wire or plastic handle or wood or metal handle about 30 to 60 cm (1 to 2 ft) long. Special Sale only $24.95 Order in the next 29 minutes and get FREE SHIPPING! That was further confirmation the transistor was defective. but there is a high voltage between the outer meshes and the middle mesh. 5 years ago A small card covered in sticky adhesive is situated in an enclosure so that when the flies come into contact with it, they remain stuck and die there. The Outer mesh are used as guards from the electrified inner mesh but caution is still advised with the mesh when using the electric fly swatter. including Walmart, Home Depot and Maplin as well as online.

If so how can I make it so it doesn't have to arc? Forums. Thank you for looking and for your comment.

Connect a diode to the primary of the second transformer for the low voltage current to switch the transistor on and off. Shantou Nanxin Dianzi Industrial Co., Ltd. rechargeable and battery operated fly swatters, mosquito swatter plastic fly zapper rechargeable. Connect the second transformer's secondary to the output of the first transformer. If not, which swatter do you recommend?Thank you for your time https://www.amazon.com/dp/B000MU2MJA/ref=cm_sw_r_other_apa_i_hWfXEbDSCFE3FXimimark DC 3v-6v to 400kV Boost Step Up Power Module High Voltage Generator 2Pcs https://www.amazon.com/dp/B07JBKCCZ7/ref=cm_sw_r_other_apa_i_89fXEb242GTR4. Share it with us! Still, there was no spark when resting a screwdriver on one grid wire and moving it toward the next grid wire. Below you can see it opened up. The circuit is powered by a 3V supply made from series of AAA batteries. [citation needed] The earliest flyswatters were in fact nothing more than some sort of striking surface attached to the end of a long stick. [5], Another projectile fly killer is the Bug-a-Salt, a miniaturized shotgun that shoots a spray of dry table salt using a spring-compressed air blast similar to a BB rifle. The winding inside the coil is calculated for working with 3V DC supply. Hi, I want to make a high powered zapper that doesn't arc when nothing is in the racket. ♦ with a professional sample group which can develop your new items. Next to that it doesn't require hardcore technical stuff. Insects enter the trap and drown in the water inside. Note that you will need a switch, so if possible leave that in place (mine had that option). A snapping, sparking noise? This is done using a single transistor, resistor, and a center-tapped transformer to execute sustainable oscillation across the two winding of the transformer. The arc crosses where the resistance is lowest, and an insect has a lower resistance than air. // -->. A fly-killing device is used for pest control of flying insects, such as houseflies, wasps, moths, gnats, and mosquitos. I wanted to make a cockroft walton generator (which I think is in this module), but that was more expensive and a lot more work.

When I opened my friend's swatter, the smooth flat front of the transistor was largely blown away and looked like a miniature bomb crater. With mine the red was +, the green was - and the two translucent red wires were the high voltage wires (polarity doesn't matter).

All rights reserved. It is used by pulling the pin off the top (usually covered with wax), removing the adhesive "fly strip" and using the pin to attach it to a ceiling, with the tube dangling below as a small weight. The meshes are placed on a plastic tennis like racket, the inner mesh if where the positive connection is connected is places in between the two outer mesh, while both the outer mesh are connected to the ground. So here is an easy mod by using a cheap ebay component. Taking that into account it might be more like say 5000V, either way it is a lot more than a regular one, that is for sure. If I use this high voltage generator instead will it give me the results I want? It also includes taking it apart and some discussion of ")). It never worked and taking it back would be too difficult. Flies enter the bottle in search of food and are then unable to escape because their phototaxis behavior leads them anywhere in the bottle except to the darker top where the entry hole is. However, some skilled users can injure or stun an airborne insect in mid-flight by whipping the swatter through the air at an extreme speed. If you're interested, I have modified the $4 Harbor Freight fly swatters to increase the output voltage up to 4X (around 5-6Kv) with good results; and even better results if you spring for a bigger output cap. While this one has numbers on the face that can help to identify a replacement, there were none on my friend's transistor. The network makes the 200V from the transformer to about 600V. It is always handy and helps keep your environment free of toxic bug sprays. Variants of these bottles are the agricultural fly traps used to fight the Mediterranean fruit fly and the olive fly, which have been in use since the 1930s.

We have a group of well experienced technicians, QC persons and workers to ensure the quality of our productions. The design is an electric fly swatter circuit that looks like a tennis racket.


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